i=input()
for p in i:
    if ord('A')<=ord(p)<=ord('Z'):
        print(chr(ord('A')+(ord(p)-ord('A')+3)%26),end='')
    elif ord('a')<=ord(p)<=ord('z'):
        print(chr(ord('a')+(ord(p)-ord('a')+3)%26),end='')
    else:
        print(p,end='')